Tamar Barabi, an Israeli who loves dancing and paying popular music, came up with the “Three Radii Theorem”:

If three or more equal lines leave a single point and reach the boundary of a circle, the point is the center of the circle and the lines are its radii.” Believe it or not, that’s the simple explanation. To compose the actual theorem, Barabi had to write up three proofs, a series of conclusions and some sample exercises.–From the Grapevine

The limits on government’s endless expansion posed by private property rights and related rights of voluntary contacting. That’s why FDR had to attack them to enact the New Deal, beginning a long-term trend. The banner is now carried by de Blasio, Bernie, and Eliz. Warren.